Mlyniv (Ukrainian: Млинів; Polish: Młynów) is a rural settlement in Rivne Oblast (province) in western Ukraine. Mlyniv was also formerly the administrative center of Mlyniv Raion, housing the district's local administration buildings, although it is now administrated under Dubno Raion. Its population was 8,446 as of the 2001 Ukrainian census. The current population is 8,036 (2022 estimate).